Optimum Time
There are lots of models to choose from when picking the right Optimum Time for you, and each model suits a different type of rider. We’ve put together this guide... Compare Equestrian models – Get help choosing.
OS Series – Optimum Time
We produce industry-leading sailing timing devices. Our big yellow timer is the badge to wear out on the water, with its game-changing synchronise functionality. We have a range of models that cater for every level of racing, so when choosing a sailing timer, the only question is which Optimum Time to pick.
OS Series: 14 - Optimum Time
All the functionality of the original ‘big yellow timer’, but with an added rechargeable battery, vibration alarm, and higher spec screen. This is a sailing competitor’s best friend. The OS14 can be strapped to a mast or you can comfortably wear it over your sailing kit.
OS Series: 3 - Optimum Time
If you need a robust timer, with an easy-to-read display, and exceptional sailing functionality, then this is the one for you. The OS3 can be strapped to a mast or comfortably worn over your sailing kit.
OS Series: 15 - Optimum Time
With a reinforced plastic case and stainless-steel buckle, this watch is made to last. The OS15 also features our essential sync button, Our latest timer is durable and easy to wear but packs all the functionality of our jumbo models.
OS Series: 3 – Optimum Time
In pursuit of the ‘optimum time’ Skip to content New SOS Safety Siren now in stock. Sailing Sailing OS Series OS Series 3 OS Series 11 OS Series 12 ... Watch Strap Battery Kit Safety ...
OS Series: 12 - Optimum Time
Normal timekeeping mode (12 or 24 Hours) Pre-programmed 5,4,1,0 ISAF start sequences or 5 min, 3 min, and 1 min programs with audible alarms (can be silenced if preferred)
Instruction Manuals - Optimum Time
OT3 Service Kit Battery replacement instructions: View PDF OS Series OS Series 0 OS Series 1 OS Series 2 OS Series 3 OS Series 3 v1 OS Series 3 v2 OS Series 6 OS Series 7 OS Series 8 OS Series 9 OS Series 11 OS series 12 OS Series 14 OS Series 15 OS Series 16 OS Simple Stopwatch OE Series OE Series 1 OE Series 2 OE Ser
Compare Sailing models – Get help choosing. – Optimum Time
There are lots of models to choose from when picking the right Optimum Time for you, and each model suits a different type of sailor. We’ve put together this guide so that finding the perfect one is easy!
Battery Replacement Kit - Optimum Time
The OS3 / OE3 Battery Replacement Kit contains everything you could need to easily change your watch battery. Battery replacement instructions